... The wind baffle fits closely about the telescope. It is supported by the building and protects the telescope from the wind and stray light. With the wind baffle removed, the secondary truss and interior light baffles are visible. The interior light baffles consist of the secondary, conical and primary baffles (top to bottom). ... The conical baffle (center) blocks stray light paths that would otherwise have to be intercepted by the primary and secondary baffles. ...